Now we test together. We'll do the first material as a class, then your group tests the rest.
Predict first, then test each material — keep it fair by using the same circuit and same contact every time:
Presentation page 4
Now we test together. We'll do the first material as a class, then your group tests the rest.
Predict first, then test each material — keep it fair by using the same circuit and same contact every time: